CVE-2026-2244: Google Cloud Vertex Ai Workbench

High severity, CVSS 8.4. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in Google Cloud Vertex AI Workbench from 7/21/2025 to 01/30/2026 allows an attacker to exfiltrate valid Google Cloud access tokens of other users via abuse of a built-in startup script. All instances after January 30th, 2026 have been patched to protect from this vulnerability. No user action is required for this.

Affected products

Published 2026-02-26. Last modified 2026-06-17.